Still from American Sniper. The comic is never named, but if you look closely, you can see that it's issue No. 1 of the sixth volume of Punisher, released in January of 2004 (making it very believable as something Biggles could be reading during the platoon's 2004 deployment).
A Dr. Garry Choy, MD, Diagnostic Radiology, answered. Radiation fibrosis is the result of prior radiation exposure that results in scarring of an organ such as breasts, lungs, etc. Post radiation treatment fibrosis is the typical cause.
Pulmonary fibrosis. (Redirected from Lung scarring) Pulmonary fibrosis (literally scarring of the lungs) is a respiratory disease in which scars are formed in the lung tissues, leading to serious breathing problems.